WEBVTT IT'S TIME NOW FOR YOUR WYFF NEWS 4 TIMELINE... ON THIS MARCH 20TH. ON THIS DATE IN 1987.. THE FOOD AND DRUG ADMINISTRATION APPROVED THE AIDS TREATMENT DRUG A-Z-T. IT WAS ORIGINALLY DEVELOPED IN 1964 AS AN ANTI-CANCER DRUG... BUT WAS NEVER APPROVED FOR THAT PURPOSE. THE DRUG WAS APPROVED BY THE F-D-A IN 20 MONTHS... RATHER THAN THE USUAL EIGHT-TO-TEN YEARS... IN PART FOR HUMANITARIAN REASONS.